Squashed 'third_party/autocxx/' changes from 629e8fa53..c35090b75

c35090b75 Merge pull request #1131 from google/rev-0.22.3
94f20d716 Revise to 0.22.3.
b4776fdd5 Merge pull request #1070 from google/reference-wrapper
25f08f567 Better encapsulate TypeConversionPolicy. No functional changes.
b389afdeb Add reference wrapper safety policy.
cd169853b Merge pull request #1126 from google/issue-1125
92f48fa30 Merge pull request #1123 from google/segfault-detection
ca60bacca Add comment
724a4971d Add test for issue 1125.
d8a9a8ca7 Detect segfaults in reduction
e147efc7c Merge pull request #1122 from google/rev-0.22.2
dfa9b99a4 Revise to 0.22.2.
4cb1da848 Merge pull request #1120 from chbaker0/main
79afb97d9 Replace lingering tempdir usages with tempfile
f945331a3 Merge pull request #1118 from google/fix-test-fixed-num
5a8b28751 Merge pull request #1117 from google/docs-tweaks
b5486faa1 Merge pull request #1109 from bsilver8192/bindgen-skip-rustfmt
f62c17273 Fix faulty test_fixed_num test.
ad954fa72 Minor doc updates.
eaa1f8737 Leave bindgen enabled when logging is
bdff5db56 Merge pull request #1110 from bsilver8192/subclass-std
922f98be4 Merge pull request #1111 from bsilver8192/subclass-unsafe
bfbcc6b94 Merge pull request #1114 from google/rev-0.22.1
4f68a2e59 Merge pull request #1112 from bsilver8192/subclass-upcast-uniqueptr
993c5705b Revise to 0.22.1.
7bf667bbf Add a function to upcast UniquePtr
733d751a2 Fix clippy and docs
8023cee43 Fix and test subclass without `safety!(unsafe)`
4ae4d47e4 Fix and test subclasses with C++ std in scope
c50b1ee7e Tell bindgen to skip rustfmt
f9b24b90e Merge pull request #1107 from google/reject-anon-namespace-typedefs
070c9755d Merge pull request #1093 from google/always-output-rs
8eb71c5e7 Merge pull request #1095 from google/issue-1094
c86f1ce7e Reject forward declared nested types.
c118dba64 Merge branch 'main' into reject-anon-namespace-typedefs
243079997 Merge pull request #1108 from google/reject-type-param-typedefs
f803c3ba5 Reject type params - fixes #1098
f3381ba52 Reject typedefs to anon namespaces.
669d932a7 Merge pull request #1106 from google/lotsa-failing-tests
f0e8487fe Marking tests as ignored.
524c2bbfc Add tests for multiple issues.
67e16ac2a Merge branch 'main' of github.com:google/autocxx into always-output-rs
5f62daf3f Merge pull request #1104 from google/roll-cxx
43ee55ca2 Further upgrade from 1.0.67 to 1.0.68
e29e3c899 Merge pull request #1100 from bsilver8192/extern_cpp_type-namespace
d2c8edef4 Merge pull request #1101 from google/fix-1081
094dbd957 Roll cxx minimal version.
94c39f35b Merge pull request #1102 from google/fix-book-build
8764f1218 Alter mdbook-mermaid installation.
85543656f Test for issue 1081
b170df056 Fix and test extern_cpp_type with type in a C++ namespace
e4b56dd49 Fix gen tests.
5457e615d Fix #1092.

git-subtree-dir: third_party/autocxx
git-subtree-split: c35090b754619531b4eebdf4d8b583db72349943
Signed-off-by: Brian Silverman <bsilver16384@gmail.com>
Change-Id: Ia34285bc1c30f7e3c71fa9e7b677a58902648843
diff --git a/engine/src/conversion/analysis/fun/subclass.rs b/engine/src/conversion/analysis/fun/subclass.rs
index c017249..6383d2c 100644
--- a/engine/src/conversion/analysis/fun/subclass.rs
+++ b/engine/src/conversion/analysis/fun/subclass.rs
@@ -10,7 +10,7 @@
 
 use syn::{parse_quote, FnArg, PatType, Type, TypePtr};
 
-use crate::conversion::analysis::fun::{FnKind, MethodKind, ReceiverMutability};
+use crate::conversion::analysis::fun::{FnKind, MethodKind, ReceiverMutability, UnsafePolicy};
 use crate::conversion::analysis::pod::PodPhase;
 use crate::conversion::api::{
     CppVisibility, FuncToConvert, Provenance, RustSubclassFnDetails, SubclassConstructorDetails,
@@ -79,12 +79,18 @@
     receiver_mutability: &ReceiverMutability,
     receiver: QualifiedName,
     is_pure_virtual: bool,
+    unsafe_policy: &UnsafePolicy,
 ) -> Api<FnPrePhase1> {
     let param_names = analysis
         .param_details
         .iter()
         .map(|pd| pd.name.clone())
         .collect();
+    let requires_unsafe = if matches!(unsafe_policy, UnsafePolicy::AllFunctionsUnsafe) {
+        UnsafetyNeeded::Always
+    } else {
+        UnsafetyNeeded::from_param_details(&analysis.param_details, false)
+    };
     Api::SubclassTraitItem {
         name,
         details: SuperclassMethod {
@@ -93,7 +99,7 @@
             ret_type: analysis.ret_type.clone(),
             param_names,
             receiver_mutability: receiver_mutability.clone(),
-            requires_unsafe: UnsafetyNeeded::from_param_details(&analysis.param_details, false),
+            requires_unsafe,
             is_pure_virtual,
             receiver,
         },
@@ -107,6 +113,7 @@
     receiver_mutability: &ReceiverMutability,
     superclass: &QualifiedName,
     dependencies: Vec<QualifiedName>,
+    unsafe_policy: &UnsafePolicy,
 ) -> Api<FnPrePhase1> {
     let cpp = sub.cpp();
     let holder_name = sub.holder();
@@ -131,6 +138,11 @@
         .skip(1)
         .map(|p| p.conversion.clone())
         .collect();
+    let requires_unsafe = if matches!(unsafe_policy, UnsafePolicy::AllFunctionsUnsafe) {
+        UnsafetyNeeded::Always
+    } else {
+        UnsafetyNeeded::from_param_details(&analysis.param_details, false)
+    };
     Api::RustSubclassFn {
         name: ApiName::new_in_root_namespace(rust_call_name.clone()),
         subclass: sub.clone(),
@@ -151,7 +163,7 @@
             superclass: superclass.clone(),
             receiver_mutability: receiver_mutability.clone(),
             dependencies,
-            requires_unsafe: UnsafetyNeeded::from_param_details(&analysis.param_details, false),
+            requires_unsafe,
             is_pure_virtual: matches!(
                 analysis.kind,
                 FnKind::Method {